Medicine Infective endocarditis due to pseudomonas is most commonly seen with: A Intravenous drug abuse of pentazocin. B HIV patient. C Chronic steroid therapy. D Elderly with community acquired pneumonia. 💡 Explanation Infective endocarditis due to pseudomonas is most commonly seen with: ✓ Correct Answer: A. Intravenous drug abuse of pentazocin.